EP 0587980 B1 20000621 - Improvements in or relating to cellular mobile radio systems
Title (en)
Improvements in or relating to cellular mobile radio systems
Title (de)
Zellulares Mobilfunksystem
Title (fr)
Système de radio mobile cellulaire
Publication
Application
Priority
GB 9219824 A 19920918
Abstract (en)
[origin: EP0587980A2] A cellular mobile radio system, which is arranged to operate in accordance with a packet reservation multiple access protocol, wherein at least one time slot in each frame is designated for the transmission of access contention data which includes a field reserved for data specifying a number of information slots required by a mobile unit, and which system includes a base station adapted for operation such that consequent upon receipt of data in the said reserved field the base station is arranged to respond by allocating available slots to satisfy the requirement of the mobile unit.
IPC 1-7
IPC 8 full level
H04B 7/26 (2006.01); H04J 3/06 (2006.01); H04Q 11/04 (2006.01); H04W 74/08 (2009.01); H04L 12/70 (2013.01); H04W 28/20 (2009.01)
CPC (source: EP)
H04B 7/2643 (2013.01); H04J 3/0626 (2013.01); H04Q 11/0478 (2013.01); H04W 74/0866 (2013.01); H04L 2012/5607 (2013.01); H04W 56/0045 (2013.01); H04W 72/04 (2013.01)
Designated contracting state (EPC)
DE ES FR GB IT SE
DOCDB simple family (publication)
EP 0587980 A2 19940323; EP 0587980 A3 19950405; EP 0587980 B1 20000621; DE 69328892 D1 20000727; DE 69328892 T2 20001026; ES 2148192 T3 20001016; FI 934088 A0 19930917; FI 934088 A 19940319; GB 2270815 A 19940323; GB 2270815 B 19960508; GB 9219824 D0 19921028
DOCDB simple family (application)
EP 93105567 A 19930403; DE 69328892 T 19930403; ES 93105567 T 19930403; FI 934088 A 19930917; GB 9219824 A 19920918